A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 7035-01-023-1008
NSN 5915-01-335-0187
NSN 4140-01-417-3022
NSN 5935-00-757-6885
NSN 5996-01-364-1074
NSN 5855-01-264-4610
NSN 5996-01-400-0917
NSN 5998-01-041-0569
NSN 6150-01-532-2539
NSN 6135-01-204-8712
NSN 5985-00-300-3970
NSN 5855-01-027-1571